Service Oriented Architecture (SOA)

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Questions and Answers

What is the main concept behind Service-oriented architecture (SOA)?

  • Creating monolithic software applications
  • Restricting services to communicate within the same application
  • Designing software applications as a collection of loosely coupled services (correct)
  • Using proprietary communication standards for services

How are services organized in Service-oriented architecture (SOA)?

  • Into independent units called services (correct)
  • Into monolithic blocks of code
  • Into complex and interdependent modules
  • Into isolated silos of functionality

What is the role of public standards in Service-oriented architecture (SOA)?

  • Creating barriers for service interoperability
  • Ensuring smooth communication between services (correct)
  • Limiting access to services over a network
  • Encouraging proprietary communication protocols

Why are quality of service, security, and performance specified in Service-oriented architecture (SOA)?

<p>To define the level of service that users can expect (D)</p> Signup and view all the answers

What does the software infrastructure do in Service-oriented architecture (SOA)?

<p>Manages all the services (C)</p> Signup and view all the answers

Why are services cataloged and discoverable in Service-oriented architecture (SOA)?

<p>To make them easy to find (B)</p> Signup and view all the answers

What does the policy of 'Single-point entry of unique data' aim to achieve?

<p>Minimize data correction needs by ensuring consistent data entry. (C)</p> Signup and view all the answers

What is the purpose of 'Enterprise certification of all data definitions'?

<p>Standardize how data is defined across the organization. (D)</p> Signup and view all the answers

Why does 'Data stewardship define data custodians'?

<p>Ensure accountability for data accuracy and quality. (D)</p> Signup and view all the answers

What is the goal of 'Zero defects at point of entry' policy?

<p>Aim for perfect data entry from the start. (A)</p> Signup and view all the answers

Why does the policy advocate 'Data aggregates from source data, not reports'?

<p>Avoid introduction of errors through report summarization or manipulation. (C)</p> Signup and view all the answers

'Information is a strategic asset' principle emphasizes:

<p>The importance of information for organizational success. (C)</p> Signup and view all the answers

Which department is responsible for planning and managing computing resources such as CPU, memory, and storage?

<p>Resource Planning (A)</p> Signup and view all the answers

What is the primary responsibility of the Control & Quality department?

<p>Ensuring computing services meet user needs and are delivered reliably and securely (A)</p> Signup and view all the answers

Which department is responsible for provisioning and configuring computing services for users?

<p>Configuration Services (C)</p> Signup and view all the answers

What is the primary responsibility of the Financial Management department?

<p>Managing the financial aspects of computing services, such as budgeting, costing, and billing (B)</p> Signup and view all the answers

Which of the following is a benefit of a well-organized computing services department?

<p>Enhanced security (B)</p> Signup and view all the answers

How can a well-organized computing services department help an organization?

<p>By improving efficiency and reducing costs (C)</p> Signup and view all the answers

What is the primary role of Management Services?

<p>To create, register, and monitor data services (D)</p> Signup and view all the answers

How do Collaboration Services enable data services?

<p>By allowing data services to share data and functionality (B)</p> Signup and view all the answers

What is the purpose of Interoperability Services?

<p>To ensure data can be exchanged between different systems (B)</p> Signup and view all the answers

Which service is analogous to a library using a Dewey Decimal Classification system?

<p>Semantic Services (B)</p> Signup and view all the answers

What is the purpose of data interoperability policies?

<p>To ensure data can be exchanged and used effectively (D)</p> Signup and view all the answers

How are data treated in the 'Data are an enterprise resource' policy?

<p>As a valuable asset of the organization (D)</p> Signup and view all the answers

According to the principles discussed, which statement is true?

<p>Data and applications should be designed independently for greater flexibility. (D)</p> Signup and view all the answers

The principle of 'Interfaces must be independent of implementation' promotes which concept?

<p>Loose coupling between applications and services. (A)</p> Signup and view all the answers

According to the principles, who should define the semantics and syntax of data?

<p>A group of people with a shared interest in using the data. (A)</p> Signup and view all the answers

Which characteristic is emphasized by the principle 'Data must be understandable and trusted'?

<p>Data quality, including accuracy, completeness, and reliability. (A)</p> Signup and view all the answers

Which department is responsible for the physical infrastructure that supports computing services?

<p>Computing Facilities (A)</p> Signup and view all the answers

According to the principles, which statement is false?

<p>Applications can interact with services through proprietary interfaces. (B)</p> Signup and view all the answers

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